Databases

MaxMind

The GeoLite databases are distributed under the Creative Commons
Attribution-ShareAlike 3.0 Unported License. The attribution requirement
may be met by including the following in all advertising and documentation
mentioning features of or use of this database:
This product includes GeoLite2 data created by MaxMind, available from
<a href="http://www.maxmind.com">http://www.maxmind.com</a>.